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2005. 9. 29.
The current status and the future The current status and the future direction of DMB technologydirection of DMB technology
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Contents
1. Introduction1. Introduction
3. Schedule and Model of T-DMB Service3. Schedule and Model of T-DMB Service
4. Data Service and Technology4. Data Service and Technology
5. Concluding Remarks5. Concluding Remarks
2. Evolution of Broadcasting Technology2. Evolution of Broadcasting Technology
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1. Introduction1. Introduction
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Cellular PDA
AV equip. PC
S-DMB
T-DMB
CAR AVmobile
handheld
fixed
Characteristics of DMB
PersonalPersonal • Personalized services by handheld receivers (cellular phone, PDA, notebook, PMP, etc.)
InteractiveInteractive• Bi-directional interactive services in conjunction with
mobile communication networks(TTI, PPV, on-line shopping, internet access, etc.)
MobileMobile• mobile multimedia (audio/video/data) broadcasting
(mobile TV upto 200km/h) services at anytime, anywhere with any devices
Mobile Mobile communication communication
networknetwork
video
audiolife infor.
Broadcasting Centers
PMP
* TTI : Traffic and Travel Information
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DMB Services
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DMB Receiver Types
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Personal/Mobile
(2-7”)
(VCD/QVGA)
Regional
Nationwide
Multimedia,
Audio, etc.
6~12ch*
Mobile
(base free)
TT-- DMBDMB
(System(System--A)A)
Fixed/mobile
(HD)
Fixed/Wide
(HD)
Fixed/Wide
(HD)
Personal/Mobile
(2-7”)
(VCD/QVGA)
Receiver
NationwideRegional
Nationwide
Regional
NationwideNationwideCoverage
~140ch~80ch5ch
Multimedia,
Audio, etc.
~40ch
Program
Fixed/mobile
(subscription)
Fixed
(subscription)
Fixed
(base free)
Mobile
(subscription)
Service
Type
S-DTVCATVT-DTVS-DMB
(System-E)
Characteristics of T-DMB and other media
* Seoul Metropolitan Area
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Concept of DMB Service (System-A)Terrestrial and Satellite frequency of up to 3GHz with gap filler
T-DMBBroadcasting
Center
additional data provider
TV studio
radio studio
Delivery Network(IP/data)
휴대
이
Fixed
Hanheld
Mobile
Mobile/FixedMobile/FixedComm. Net.Comm. Net.
Gap Filler
VHF: 174 ~ 240 MHzL Band: 1.452 ~ 1.492 GHz
S-DMB Broadcasting
Center
L-band
1.452 ~1.492G
Hz
GPS
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Concept of S-DMB Service (System-E)Satellite frequency of 2.6GHz with gap filler
(Satellite E144 °)
Ku-Band(TDM)
13.824 ~ 13.849GHz
S-band(CDM)
2.630 ~2.655GHz
Ku-Band(TDM)
12.214~ 12.239GHz
S-DMBBroadcastingCenter
S-Band(CDM)
ProgramProvider
(A/V/Data)
Contents
Ku-Band(CDM)
13.858 ~ 13.883GHz
Gap Filler
GPS
Mobile/FixedMobile/FixedComm. Net.Comm. Net.
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Specification of System-A & System-E
AV multimedia spec. added to each System spec.
RS(204,188)Outer FECAV
Multi-media
MPEG-4 Part 10(AVC) Baseline @Level 1.3MPEG-4 Part 10(AVC) Baseline @Level 1.3 Video
MPEG-2 AAC-LC+SBRMPEG-4 BSACAudio
-MPEG-4 Systems BIFSAdd. Data
MPEG-2 SystemsMPEG-4 Systems (SL) + MPEG-2 Systems Data Multiplex
S System-E includes RS
- 25 MHz
- QPSK
- CDM
- MPEG-2 AAC
- MPEG-2 Systems
- Convolution Code ( (2,1,7) Variable
Rate, 5 modes)
- RS(204,188)
- 1.536MHz
- DQPSK
- OFDM
- MPEG-1,-2 Layer 2
- Eureka 147
- Convolution Code ( (4,1,7) Variable
Rate, 24 modes)
Basic Transmission
- Bandwidth
- Modulation
- Transmission Multiplex
- Audio
- Transport
- Inner FEC
Satellite onlyTerrestrial, Satellite, and CableMedium
S-band (2.630 ~ 2.655 MHz)
upto 3 GHz
• Terrestrial : VHF(174 ~ 240 MHz),
L-Band(1.452 ~ 1.492 GHz
• Satellite : L-band(1.452 ~ 1.492 GHz)
Broadcasting
Frequency
- Frequency for satellite comm.
-QPSK/TDM
Remarks
Ku-band
up : 14 GHz
Down (to Gap Filler) : 11 GHz
No spec.Relay Frequency
System-ERec. ITU-R BO. 1130-4
System-A
Rec. ITU-R BS. 1114
System
Item
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DMB System-A Standardization Status
WDF standard (‘04.12.)
ETSI standard (’05.7.)
WDF standard (‘04.12.)
ETSI standard (’05.7.)
WorldDAB ForumWorldDAB Forum ITUITU
Approved as the ITU-R Report
(’04.11.)
- Report ITU-R BT [6/122]
ITU-R Recommendation at the end
of 2005
Approved as the ITU-R Report
(’04.11.)
- Report ITU-R BT [6/122]
ITU-R Recommendation at the end
of 2005
EU Standard Global Standard
2004.12.Erlangen, Germany
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Beijing China
(’04.11. 16)
San PauloBrazil
(’04.11.17)
Munich
Germany
(’04.10. 22)
London
GB
(’04.12. 2)
Paris
France
(’04.12. 7)
Amsterdam
Netherlands
(’04.9.10~14)
BLM T-DMB trial(’05.10.) for the 2006 WorldCup
Beijing Radio : T-DMB for the 2008 OlympicShanghai TV, Foshan Radio
interested in ATSC+T-DMB
services
T-DMB Introduced Worldwide
Mexico CityMexico
(’05.6.16)
Las VegasU.S.A.
(’05.4.16~21 )
IstanbulTurkey
(’05.4.16 )
LimaPeru
(’05.6.1~2)
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2. Evolution of Broadcasting Technology2. Evolution of Broadcasting Technology
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Wireless & MobileWireless & Mobile
Digital BroadbandDigital Broadband
Convergent ServiceConvergent Service
ConvergenceConvergenceConvergence
MultimediaMultimediaMultimedia
MobilityMobilityMobility Seamless wireless mobiletelecommunication Services
Intelligent, personalized Smart Handheld Terminal
Broadband wired & wireless All IP Networks
Multimedia Contents(movie, music, etc.)
Voice/Data, wired/wirelessIntegrated Services
Convergent Services of telecom. & broadcast
Trend 1Trend 1
Trend 2Trend 2
Trend 3Trend 3
Trends in Convergence Era
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* Creative TVAllow viewer to create their own media worlds according to their specific interests or tastesViewers to be able to shape TV– Viewer are able to participate in storylines, manipulate plotsExample: New Media for a New Millennium (NM2) EU Project
Evolution of Broadcasting Service
•• A/V Digital A/V Digital Broadcasting serviceBroadcasting service
•• EPG serviceEPG service•• Weather, stock and Weather, stock and other daily life other daily life information serviceinformation service
•• ECG serviceECG service•• Interactive contents Interactive contents serviceservice
•• Viewers create and Viewers create and distribute contents to distribute contents to program provider program provider and/or other usersand/or other users
~ 2001~ 2001 2002 ~2002 ~ 2007 ~2007 ~ 2011 ~2011 ~
Creative TV Creative TV ServiceService
Personalized Personalized TV ServiceTV Service
InforInfor. Selective. SelectiveTV ServiceTV Service
UniUni--directional directional TV ServiceTV Service
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New Broadcasting Services : Vision
Anywhere
3D TV
gamesgames
ComputerComputer AnytimeMobileterminal
T-Commerce
Smart terminal
HDTVPC
HDTVHDTV
DMB terminal
SatelliteSatellite
CableCable
Wired/wirelessWired/wireless
TerrestrialTerrestrial
Home gateway
3D A/V
Anydevice
Interactive serviceMusic
Multimedia
AVprogram
Convergent Network
ContentContent
Realization of Ubiquitous society
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Through the convergence of both broadcasting & communication, a user can utilize
his/her favorable contentsat anytime, anywhere
with any devices
• Connection to Home net.• X-commerce • T- government
FunctionalitiesContents digestion
• Retrieval of favorable ones• Filtering• Summarization• Manipulation
Interactivity
• Selection of contents• Content based
bi-directionality
New Broadcasting Services : Property
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New Broadcasting Services : MilestoneMedium
Data broadcasting Personalized broadcasting
’’0303 ’’0404 ’’0505 ’’0606 ’’0707 ’’0808 ’’0909 ’’1010 ’’1111 ’’1212
ProvinceMetropolis Nation-wide
10 % 30 % 100 %
Coverage area extensionCoverage area extension
HD broadcasting Contents RatioHD broadcasting Contents Ratio
50 %
HD 1Ch 3Ch 10Ch
Channels for HD ContentsChannels for HD Contents
5Ch
Interactive broadcastingInteractive broadcasting Personalized Broadcasting
50 % 100 %
Digital conversionDigital conversion
Data broadcasting / SD VOD Personalized broadcasting / HD VOD
Data broadcasting
Experimental MainTest Nation-wide
Coverage area extensionCoverage area extension
Satellite
Cable
Terrestrial
Terrestrial
Satellite Main
HDBroadcasting
MobileBroadcasting
ImportantPoint
3DBroadcasting
Stereoscopic 3DTV broadcastingStereoscopic 3DTV broadcasting
Experimental Test
MultiviewMultiview 3DTV broadcasting3DTV broadcasting
Main broadcasting
Experimental broadcasting
Wideband Adaptive Satellite broadcastingSatellite broadcasting
T-Government / Giga class Cable Service
Bidirectional Data broadcasting
Data broadcastingBidirectional Data broadcasting
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3. Schedule and Model of T-DMB Service3. Schedule and Model of T-DMB Service
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Schedule of T- DMB Service
CD quality music
Multimedia
2005 2006 2007~
Public (6 providers)Public
(6 providers)Uni-directional
DataUni-directional
Data
T-commerce,
hotel, performance etc.
reservation etc.
Traffic, Location,
News, Stock,
Weather, Goods
Information etc.
o Bi-directional Data o Personal customized o 3D Display
o Bi-directional Data o Personal customized o 3D Display
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T- DMB BM ( I )
Service TypeService Type Profit SourceProfit Source
Free AV service
Constant Fee baseAV service
Data service
• Advertisement
• Constant subscription fee • PPV program or channel• advertisement
• usage fee of up/down link• file download fee• T-commerce etc.
RemarksRemarks
• Program sail
* TV ad, banner ad,data related ad, web related ad
* program sail in on/off line
•S-DMB••TT-- DMB DMB consideringconsidering
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T- DMB BM ( II )
BroadcasterBroadcaster
Ad. provider(goods provider)
Ad. provider(goods provider)
Contents providerContents provider
contents fee
contents providing
goods purchase
ad. fee
useruser
Free AV service with Advertisement
AV service
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T- DMB BM ( III )
UserUser
Constant Fee base AV service
Usage fee/PPV feeUsage fee/PPV fee
AV service
contents fee
contents providing
Contents providerContents provider
Ad. provider(goods provider)
Ad. provider(goods provider)
ad. fee
goods purchase
BroadcasterBroadcaster
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T- DMB BM ( IV )
Telco.Telco.
data providing
service
fee/comm. fee
Data service
useruser
web service /
broadcasting related
telecomm. service
AV/data service contents fee
contents providing
Contents providerContents provider
Ad. provider(goods provider)
Ad. provider(goods provider)
ad. fee
BroadcasterBroadcaster
goods purchase
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4. Data Service and Technology4. Data Service and Technology
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Relationship between Data Service Types
Progra
m
Progra
m
Related
Related
BiBi--directional
directional
NonNon--prog
ram
progra
m
Related
Related
UniUni--directional
directional
• Synopsis & Actor of Drama• Music related information• (singer, song)• Player information of
Sports
• Synopsis & Actor of Drama• Music related information• (singer, song)• Player information of
Sports
• Reservation (hotel, theater, performance, etc)• T-banking/home shopping• T-government• E-mail, chatting
• Reservation (hotel, theater, performance, etc)• T-banking/home shopping• T-government• E-mail, chatting
• Quiz show, game
• T-commerce
• T-learning
• T-poll
• Quiz show, game
• T-commerce
• T-learning
• T-poll
• EPG• Download game• Information (weather, traffic, travel, etc.)
• EPG• Download game• Information (weather, traffic, travel, etc.)
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Types of data service (I)
news additionstalents, synopsis, background, place, production infor.tailored travel infor. associated with background
player profile, records, schedule, etc.sports goods AD
Uni-directional program related
singer, song, backgrounddisk infor.
data about sports
data about news, drama
data about music
Provide data related to broadcasting program and user selectionProvide data related to broadcasting program and user selection
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Types of data service (II)Bi-directional program related
Provide data related to broadcasting program and user can returnits’ opinion and get additional information thru back channelProvide data related to broadcasting program and user can return
its’ opinion and get additional information thru back channel
quiz show, game
T-poll T-commerce
T-learning, PPV
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Types of data service (III) Uni-directional non-program related
Provide data not-related to broadcasting program and user selectionProvide data not-related to broadcasting program and user selection
game download TTI service
WeatherStock infor.
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Types of data service (IV) Bi-directional non-program related
Provide data not-related to broadcasting program and user can return its’ opinion and get additional information thru back channelProvide data not-related to broadcasting program and user can return
its’ opinion and get additional information thru back channel
T-banking/home shopping
T-government reservation
공연예약
공연정보 예약하기 예약정보확인
예약서비스를이용하시려면 ID와 PW를입력하세요ID PW
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TPEG TTI Service (1)User friendly navigation service
Live Traffic & Transportation InformationMassive Traveler & Location Information
Parking, Weather, Restaurant, Tourist Spot InformationEnvironment Information Alert
Bi-directional Location Based Service Hotel/Tourist Ticket Reservation ServiceTravel Information on Demand
Weather
Stock
News
DetourTPEG
•TPEG : Traffic Protocol Experts Group•TTI : Traffic and Travel Information
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TPEG TTI Service (2)
TTI Information Flow
GPSTTI
Information DB
DMBBroadcasting Server
MobileReception
TTI Information Server
DMB Transmitter
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Voice based EPG Service
Platform Component
Voice EPG Browser
Operation Administration & ManagementOperation Administration & Management
InterpreterInterpreter
UserPreference
UserPreference
AutomaticSpeech
Recognition
AutomaticSpeech
RecognitionReceiverControl
ReceiverControl
GraphicControlGraphicControl
SpeechOutputSpeechOutput
FeaturesVoice browser based on Voice EPG scenario description language (VoiceEpgXML)
Automatic speech recognition (ASR) and synthesis (TTS)
Synchronous speech and visual presentation
* TTS : Text to Speech
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Voice enabled Broadcasting Web Service
* VeBWS : Voice enabled BWS
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T-commerce Service (1)
Program related T-commerce
purchasing after
purchas
ing after
the web connec
tedthe web
connected
right purchasing within right purchasing within the programthe program
Ordering and purchasing of goods related to the live program through return channel while watching programOrdering and purchasing of goods related to the live program through return channel while watching program
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T-commerce Service (2)
Program independent T-commerce
Ordering and purchasing of goods, of which the information is provided by independent data channel, through return channel while watching programOrdering and purchasing of goods, of which the information is provided by independent data channel, through return channel while watching program
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Personalized News, Personalized T-Learning, etc.Service
Personal customized Service
Dynamic program guide and contents browsing according to programgenre and user preferences with rich content access tools
ToC (Table of Contents) based browsing in terms of segment units
Event/index-based summary and access for news programs
Keyword-based segment search
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5. Concluding Remarks5. Concluding Remarks
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DMB provides a new paradigm of digital broadcasting
mobile, personal customized, bi-directional interactive multimedia
DMB provides ubiquitous infra for the convergence of broadcasting and telecommunications
DMB can vitalize broadcasting contents and equipments
DMB can be an easily accessible platform for new services such as 3D video
Concluding RemarksConcluding Remarks
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Thank youThank youfor your attentionfor your attention
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